layla abrar with unicef is our guide. >> the coming groups from these villages, they kind of help each other along the way. but by the time they get to a place like doubli, which is a transition village they are barely alive. >> reporter: this is medina, who told us she walked three months before she reached this place yesterday. did all of your children survive? >> ( translated ): two children died on the way. >> reporter: how old were the children? >> ( translated ): one was eight years old and one was nine years old. >> reporter: where did you have to leave them? >> ( translated ): we left them exactly where they died because we didn't have the strength to carry them and we didn't have the strength to bury them. >> reporter: this woman walked in with her one and a half-year- old granddaughter. unicef showed us how they used this tape to diagnose malnutrition. anything in the red is life threatening. >> she went beyond the green, she went beyond the yellow, and she went far beyond the red and she's there. >> reporter: 9.6 centimeters, ten centimeters or so smaller than she should be.